also: もときん
noun
Finance term for the original sum of money lent or invested, excluding interest or profits.
元金と利息を合わせて返済する。
Repay the principal together with the interest.
noun
Refers to the initial funds used to start a business or investment; often used in entrepreneurial contexts.
起業するには元金が必要だ。
You need seed money to start a business.